Ball.B - FlagsThis is the hardest Ball.B to solve, as it requires the proper placement and orientation of every piece. This version features two-tone grey plastic with images of twelve different flags on all ten pieces surrounding each of the twelve centers.

Ball.B - Orange DotsThis version features orange and grey plastic with dots of 12 different colours painted on the five grey "edge" pieces surrounding each of the twelve centers. The orange "corner" pieces have no markings.